TY - BOOK AU - Botkin,Daniel B. AU - Keller,Edward A. TI - Environmental Science: earth as a living planet SN - 0471321737 : U1 - 333.7 19 PY - 2000/// CY - New York PB - John Wiley and Sons, Inc. KW - Environment protection KW - Spines N1 - Includes index and bibliographical references; env N2 - Environment Management ER -